Shelter construction



FIG. 1 is a perspective view of the shelter construction showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical in appearance;

FIG. 3 is a side elevational view thereof, the opposite side being identical in appearance; and,

FIG. 4 is a top plan view thereof.

The Broken lines showing anchors are for illustrative purposes only, and form no part of the claimed design. 

The ornamental design for the shelter construction, as shown and described. 